3493989142 has 16 divisors (see below), whose sum is σ = 5994129312. Its totient is φ = 1496315520.

The previous prime is 3493989139. The next prime is 3493989157. The reversal of 3493989142 is 2419893943.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3493989142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72633 + ... + 110740.

It is an arithmetic number, because the mean of its divisors is an integer number (374633082).

Almost surely, 2^3493989142 is an apocalyptic number.

3493989142 is a deficient number, since it is larger than the sum of its proper divisors (2500140170).

3493989142 is a wasteful number, since it uses less digits than its factorization.

3493989142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184743.

The product of its digits is 1679616, while the sum is 52.

The square root of 3493989142 is about 59109.9749788477. The cubic root of 3493989142 is about 1517.4248209867.

The spelling of 3493989142 in words is "three billion, four hundred ninety-three million, nine hundred eighty-nine thousand, one hundred forty-two".